“coal tar”的概念、定义、翻译、参考文献-科学参考

coal tar

Encyclopedia

Chemistry

单词	coal tar
释义	coal tar Encyclopedia 工学焦炉煤气释 coal tar煤焦油煤炭干馏时生成的具有刺激性臭味的黑色或黑褐色黏稠状液体。简称焦油。工学基本有机化工释 coal tar煤焦油煤炭干馏时生成的一种具有刺激性臭味的黑色或黑褐色黏稠状液体。又称焦油。工学道路沥青释 coal tar煤沥青将煤焦油蒸馏加工去除液体馏分后的残余物。约占煤焦油总量的50%～60%，一般为黏稠的液体、半固体或固体，色黑而有光泽。 Chemistry ＞能源化学＞煤＞释义 coal tar煤焦油
随便看	identities of Yangian-invariants identity identity authentication identity authentication service identity automorphism identity axiom identity based cryptography identity-based cryptography identity based encryption identity-based encryption identity-based signature identity character identity code identity component identity component of a group identity congruence identity crisis identity development identity dyad identity element identity function identity functor identity graph identity group identity identification device